Cita APA (7a ed.)

Kichler, A., & Saeng, L. (1901). Ex Libris Ludwig Saeng.

Cita Chicago Style (17a ed.)

Kichler, Auguste, y Ludwig Saeng. Ex Libris Ludwig Saeng. Darmstadt, 1901.

Cita MLA (9a ed.)

Kichler, Auguste, y Ludwig Saeng. Ex Libris Ludwig Saeng. 1901.